US2654711A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monocyclic terpene-sulfur-phosphorus sulfide reaction product and lubricating oil containing the same
Assignee: Standard Oil Development Co
•
Filing: 1949-07-15
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Granted: 1953-10-06
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Expires: 1969-07-15
Abstract
No abstract record available.
Inventors
- 👤 Abraham D Kirshenbaum
- 👤 Harry W Rudel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:31
CPC Classifications
C; C10; C10M; C10M159/00; C10M159/12; C10M159/123; C07; C07F; C07F9/00; C07F9/02; C07F9/04; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/042; C10M2201/06; C10M2201/062; C10M2203/00; C10M2203/10; C10M2205/00; C10M2205/17; C10M2205/173; C10M2205/18; C10M2205/20; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/023; C10M2207/027; C10M2207/08; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/14; C10M2207/144; C10M2207/146; C10M2207/16; C10M2207/28; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/082; C10M2211/00; C10M2211/02; C10M2211/022; C10M2211/04; C10M2211/044; C10M2211/06; C10M2211/08; C10M2215/00; C10M2215/02; C10M2215/20; C10M2215/202; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2219/04; C10M2219/044; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/068; C10M2219/08; C10M2219/082; C10M2219/087; C10M2219/088; C10M2219/089; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/045; C10M2223/047; C10M2223/12; C10M2223/121; C10M2225/00; C10M2225/04; C10N; C10N2010/00; C10N2010/04; C10N2010/06; C10N2040/00; C10N2040/02; C10N2040/04; C10N2040/042; C10N2040/044; C10N2040/046; C10N2050/00; C10N2050/10; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A MINERAL LUBRICATING OIL COMPOSITION CONTAINING 0.05 TO 50% BY WEIGHT OF A PRODUCT OBTAINED BY SIMULTANEOUSLY REACTING ONE MOLECULAR PROPORTION OF A MONOCYCLIC TERPENE WITH ABOUT 1.5 TO ABOUT 2 ATOMIC PROPORTIONS OF SULFUR AND WITH ABOUT 0.01 TO ABOUT 0.25 MOLECULAR PROPORTIONS OF A SULFIDE OF PHOSPHORUS AT A TEMPERATURE OF AT LEAST 120* C. AND UP TO A TEMPERATURE OF ABOUT 200* C.
Claim 2
Dependent Claim
66 words
A MINERAL LUBRICATING OIL COMPOSITION CONTAINING 0.05 TO 50% BY WEIGHT OF A PRODUCT OBTAINED BY SIMULTANEOUSLY REACTING ONE MOLECULAR PROPORTION OF A MONOCYCLIC TERPENE WITH ABOUT 1.5 TO ABOUT 2 ATOMIC PROPORTIONS OF SULFUR AND WITH ABOUT 0.01 TO ABOUT 0.25 MOLECULAR PROPORTIONS OF A SULFIDE OF PHOSPHORUS AT A TEMPERATURE OF AT LEAST 120* C. AND UP TO A TEMPERATURE OF ABOUT 200* C.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-05 | 1957-04-06 | 1957-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-05 | 1961-04-06 | 1961-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-05 | 1965-04-06 | 1965-10-06 | $7700.00 | Window Closed / Lapsed |